(3SLf GdfSGA (B((3OQGSI GfKQhHhdhLjI(B) / s - (3YHOGddg YHOGdZfi ZGfes ([S.N] : (3GdecJH GdLGeYi GdMOjK , s, 1988)
Keywords: (3GdSLhfs; (3GdNOeI GdGLJeGYjIs; (3GdGLJeGYs; (3GdYbhHGJs; (3GdGUdGMjGJs; (3GdeSLhfhfs; (3GdYbhHGJ GdJGOjHjIs